Engine swap



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Thread: Engine swap

  1. #1
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    Engine swap

    I have a 99 T&C with 230k miles on a 3.8l engine. For the second time it has damaged the rod bearing on the 6th cylinder. Found a 2000 engine with low miles but the shop said it would not work. Is there anything major that would prevent use in 99 except maybe the intake setup. Are the basic engine parts the same for generation 4 3.8l engines.

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    As I understand it, the 00' is a flex fuel motor. Your 99' is not. I think all you have to do is switch the intake and the Injector setup. Probably keeping the computer from your current van.
    C.B.C.S.....Country Boy Can Survive!!!...Words to live by!
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    Current: 07' STX 3.8l Sto, Pwr Dr, Marine Blue @ 95,000 Mls.
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    Quote Originally Posted by KillaGrn View Post
    As I understand it, the 00' is a flex fuel motor. Your 99' is not. I think all you have to do is switch the intake and the Injector setup. Probably keeping the computer from your current van.
    I don't believe there has ever been a FlexFuel version of the 3.8. To the original poster, as I understand it, the 1999 and 2000 vintage motors should be direct replacements.
    Sold: 1998 DGC Sport 3.8 (Final odo: 178,000 miles)
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    Sold: 2003 DGC ES 3.8 (Final odo: 172,000 miles)
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    Agree with Shipo. The 3.8 was never a flex fuel, only the 3.3.

    Also, gen4 didn't start until the 2001 model year, and the engines should be 100% interchangeable between 99 and 00. I would even think the 2001 and later engines would work just by swapping the different intakes.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

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    I believe the 2000 (NS) and the 2001(RS) engines are very different. Don't know about the block castings but the accessory drive is not close. Don't own anything newer than my 2000, but I believe the water pump was moved from the front of the block (first off the crank pulley, highly loading the water pump bearings) to the rear of the block to reduce water pump bearing loads and bearing failures. Other accessries were rearranged too. Then you have to ask if the camshaft or other internals are interchangeable, don't know that one. The oil filter on an RS is also in a vertical position, no more oil dripping off the engine/wiring harness. The aluminum adapter may fit on the older engines. The transmissions should interchange without problems as the bell/bolt pattern did not change.

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    Well the van you are looking at that you stated was a 2000(3rd gen) is probably a 2001(4th gen). 2001's won't just drop into 3rd gen. There are modifications that need to be done. Any 3.8 from a 1996-2000 will drop into your 1999 without a hitch, but any other 3.8 (2001+) will need modifications. UNLESS the 2000 you're talking about is actually a 2000 and the shop is mistaking it for a 2001+. Try to find out the year again and let us know.
    2001 Infiniti i30 3.0 DOHC V6: VQ30DE 177,000 miles; 1999 Nissan Altima GLE KA24 168,000 Miles
    1997 Dodge Ram 1500 SLT Laramie 5.9 46RE, 182,000 Miles
    Prev. 97 T&C LXi 184k 3.8, 94 T&C 3.8 156k Miles, 93 GV LE 3.3 123k

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    Quote Originally Posted by robbins55 View Post
    I have a 99 T&C with 230k miles on a 3.8l engine. For the second time it has damaged the rod bearing on the 6th cylinder. Found a 2000 engine with low miles but the shop said it would not work. Is there anything major that would prevent use in 99 except maybe the intake setup. Are the basic engine parts the same for generation 4 3.8l engines.
    first, make sure that the engine you're looking at is a 3rd gen engine (an engine manufactured in 2000 may have been in a 2001 van..)

    the shop is right, it's not practical (for them) to rearrange/modify 4th gen engine (it might work out fine, but they want nothing to do with it for the simple reason there's a good chance something may go wrong - or customer may complain and they'd have a problem..)

    obvious issues for 4th gen engine are: (as stated) accessory location, intake, injectors, sensors, etc
    the 3rd vs 4th gen vans use a different computer (PCM) for control and it cannot be swapped..(they use different communication protocols)
    relevant vehicle: '05 -=C=- T&C Ltd @~110K

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    The 3rd generation Chrysler NS minivans had the same 3.3L, 3.0L V6s and 2.4L I4 engines through out the 1996-2000 model years. The 3.8L V6 was modified internally in 1998 for higher horsepower and torque. 1996-1997 3.8L had 166hp and 227 lb/ft of torque while 1998-2000 models had 180hp and 240 lb/ft. Other changes that I know of were limited to the 3.8/3.3L V6s. These include the disappearance of the intake plenum plastic covers for 1998-2000, the movement of the engine displacement badges from the front valve cover sticker to the intake plenum stamp in for 1998-2000, different coil packs for 1999-2000, and the domed valve covers for 1999-2000. The 3.3L V6 was the only engine that could come with the E-85 fuel injection package for 1996-2000. If the engine is indeed a 2000 model 3.8L V6 then it should fit model years 1999-2000 models with no changes, 1998 models with the older coil pack, and 1996-1997 models with the newer PCM and the older coil pack. If it is a 2001-2007 3.8L V6 then there are a lot of parts that need to be modified to allow the engine to fit in the bay and make it work. The confusion lies in the fact that the 4th generation Chrysler RS minivans was introduced too early by DaimlerChrysler. Apparently Chrysler Corporation had intended to run the 3rd gen NS through 2002 but the Germans thought otherwise. As a result there was a glut of 2000 models on the dealer lots when the 2001 was introduced in midyear 2000.

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    Quote Originally Posted by daveman591 View Post
    The 3rd generation Chrysler NS minivans had the same 3.3L, 3.0L V6s and 2.4L I4 engines through out the 1996-2000 model years. The 3.8L V6 was modified internally in 1998 for higher horsepower and torque. 1996-1997 3.8L had 166hp and 227 lb/ft of torque while 1998-2000 models had 180hp and 240 lb/ft. Other changes that I know of were limited to the 3.8/3.3L V6s. These include the disappearance of the intake plenum plastic covers for 1998-2000, the movement of the engine displacement badges from the front valve cover sticker to the intake plenum stamp in for 1998-2000, different coil packs for 1999-2000, and the domed valve covers for 1999-2000. The 3.3L V6 was the only engine that could come with the E-85 fuel injection package for 1996-2000. If the engine is indeed a 2000 model 3.8L V6 then it should fit model years 1999-2000 models with no changes, 1998 models with the older coil pack, and 1996-1997 models with the newer PCM and the older coil pack. If it is a 2001-2007 3.8L V6 then there are a lot of parts that need to be modified to allow the engine to fit in the bay and make it work. The confusion lies in the fact that the 4th generation Chrysler RS minivans was introduced too early by DaimlerChrysler. Apparently Chrysler Corporation had intended to run the 3rd gen NS through 2002 but the Germans thought otherwise. As a result there was a glut of 2000 models on the dealer lots when the 2001 was introduced in midyear 2000.
    While this is all true. The engines will still bolt right in, sensors and all from 1996-2000 for the 3rd gens.
    2001 Infiniti i30 3.0 DOHC V6: VQ30DE 177,000 miles; 1999 Nissan Altima GLE KA24 168,000 Miles
    1997 Dodge Ram 1500 SLT Laramie 5.9 46RE, 182,000 Miles
    Prev. 97 T&C LXi 184k 3.8, 94 T&C 3.8 156k Miles, 93 GV LE 3.3 123k

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    Thank for all the help. Have not seen the 2000 engine yet, but it could well be a later unit with generation 4 engine. At least I just put a new tranny in my 96 TC after 216000 miles. Delivering flowers can add miles very fast.

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